US2613293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic brake fluid warning device
Assignee: Individual
•
Filing: 1950-06-29
•
Granted: 1952-10-07
•
Expires: 1970-06-29
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Marks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:11
CPC Classifications
B; B60; B60T; B60T17/00; B60T17/18; B60T17/22; B60T17/225; G; G01; G01F; G01F23/00; G01F23/30; G01F23/32; G01F23/36
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US555120A
Cited
US1115712A
Cited
US1885051A
Cited
US2085173A
Cited
US2253260A
Cited
US2494802A
Cited
US2479503A
Cited
US2520237A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |